Error(s) in re-building vignettes:
--- re-building ‘Ecosystem.Rmd’ using rmarkdown
Loading required package: ggplot2
`stat_bin()` using `bins = 30`. Pick better value with `binwidth`.
`stat_bindot()` using `bins = 30`. Pick better value with `binwidth`.
`stat_bin()` using `bins = 30`. Pick better value with `binwidth`.
`stat_bin()` using `bins = 30`. Pick better value with `binwidth`.
`stat_bindot()` using `bins = 30`. Pick better value with `binwidth`.
`stat_bin()` using `bins = 30`. Pick better value with `binwidth`.
`stat_bindot()` using `bins = 30`. Pick better value with `binwidth`.
`stat_bindot()` using `bins = 30`. Pick better value with `binwidth`.
`stat_bindot()` using `bins = 30`. Pick better value with `binwidth`.
`stat_bindot()` using `bins = 30`. Pick better value with `binwidth`.
`stat_bindot()` using `bins = 30`. Pick better value with `binwidth`.
dyld: lazy symbol binding failed: Symbol not found: ____chkstk_darwin
  Referenced from: /usr/local/bin/pandoc (which was built for Mac OS X 10.15)
  Expected in: /usr/lib/libSystem.B.dylib

dyld: Symbol not found: ____chkstk_darwin
  Referenced from: /usr/local/bin/pandoc (which was built for Mac OS X 10.15)
  Expected in: /usr/lib/libSystem.B.dylib

Error: processing vignette 'Ecosystem.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘Ecosystem.Rmd’

--- re-building ‘Overview.Rmd’ using rmarkdown
Loading required package: gridExtra
Loading required package: ggplot2
`stat_bin()` using `bins = 30`. Pick better value with `binwidth`.
`stat_bindot()` using `bins = 30`. Pick better value with `binwidth`.
adding dummy grobs
adding dummy grobs
dyld: lazy symbol binding failed: Symbol not found: ____chkstk_darwin
  Referenced from: /usr/local/bin/pandoc (which was built for Mac OS X 10.15)
  Expected in: /usr/lib/libSystem.B.dylib

dyld: Symbol not found: ____chkstk_darwin
  Referenced from: /usr/local/bin/pandoc (which was built for Mac OS X 10.15)
  Expected in: /usr/lib/libSystem.B.dylib

Error: processing vignette 'Overview.Rmd' failed with diagnostics:
pandoc document conversion failed with error 6
--- failed re-building ‘Overview.Rmd’

SUMMARY: processing the following files failed:
  ‘Ecosystem.Rmd’ ‘Overview.Rmd’

Error: Vignette re-building failed.
Execution halted